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Diamond Audio H65A

300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

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300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Rear Deck Corner
$769.99 /set

In stock.

DS18 PRO-CF6.4SL (Sold Individually)

500W Peak (250W RMS) 6.5” PRO Series Water-Resistant Motorcycle and Motorsports Mid-Bass Loudspeaker

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500W Peak (250W RMS) 6.5” PRO Series Water-Resistant Motorcycle and Motorsports Mid-Bass Loudspeaker

• Peak Each, RMS Each
• Water Resistant Carbon Fiber material
• Impedance: 4 ohm
• Sensitivity: 95 dB
Priced Per Each Speaker

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Rear Deck Corner
1
$83.95

In stock

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DS18 EXL-SQ6.5

800W Peak (240W RMS) 6.5" EXL Series 2-way 3-ohm Coaxial Car Speakers

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800W Peak (240W RMS) 6.5" EXL Series 2-way 3-ohm Coaxial Car Speakers

• 400 watts Peak Each, 120 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome tweeters with neodymium magnets
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

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Fits the following location in your M6
  • Rear Deck Corner
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$179.95 /pair

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Diamond Audio H65SH

300W Peak (150W RMS) 6.5" HEX Series 4-ohm 2-Way Shallow Component Speaker System

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300W Peak (150W RMS) 6.5" HEX Series 4-ohm 2-Way Shallow Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 2" Silk Dome Tweeters
• Reinforced Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Rear Deck Corner
$749.99 /set

In stock.

AudioControl PNW-65CS2 with Installation Accessories

250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + 6.5” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

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250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + 6.5” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

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Fits your M6
338
List price $426.71
-15% $363.06

In stock

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

Deaf Bonce Machete MLC-60

260W Peak (130W RMS) 6.5" Machete Series 2 Way Component 4-ohm Speakers

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260W Peak (130W RMS) 6.5" Machete Series 2 Way Component 4-ohm Speakers

• 130 watts Peak Each, 65 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 89.7 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Rear Deck Corner
$49.90 /set

In stock

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DS18 PRO-CUPOLA2 (Sold Individually)

300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 300 watts Peak, 100 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 95 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Dash Corner
List price $119.99
-17% $99.95

In stock.

Limited time!

Diamond Audio H65S

300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

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300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

Free Speaker Accessory Kit at Checkout!
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VIP Product Get $77.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Rear Deck Corner
$769.99 /set

In stock.

AudioControl PNW-4

150W Peak (100W RMS) 4″ PNW Series 2 Way Coaxial 3-ohm Speakers

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150W Peak (100W RMS) 4″ PNW Series 2 Way Coaxial 3-ohm Speakers

• 75 watts Peak Each, 50 watts RMS Each
• Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 84.38 dB

1+ offers available
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Install kits available for most vehicles

found car based on your search
Fits the following location in your M6
  • Dash Corner
1
List price $189.00
-11% $169.00 /pair

In stock

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List price $189.00
-11% $169.00
$135.20 with coupon | Price details
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DS18 G6.5XC

300W Peak (100W RMS) 6.5" Gen-X Series 2-Way 4-ohm Component Speaker System

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300W Peak (100W RMS) 6.5" Gen-X Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Free Speaker Accessory at Checkout!
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Install kits available for most vehicles

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Fits the following location in your M6
  • Rear Deck Corner
List price $136.99
-17% $113.95

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Rockford Fosgate Power T4 T4652-S

600W Peak (300W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

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600W Peak (300W RMS) 6.5" Power Series 2 Way Component 4-ohm Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 1" Liquid Crystal Polymer (LCP) Dome tweeters
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Install kits available for most vehicles

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Fits the following location in your M6
  • Rear Deck Corner
$1,399.99

Available

Ships in 10-14 days

Used from: $1,189.99

DS18 PRO-X6.4M (Sold Individually)

500W Peak (250W RMS) 6.5” PRO-X Series Pro Audio Midrange 4-ohm Loudspeaker

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500W Peak (250W RMS) 6.5” PRO-X Series Pro Audio Midrange 4-ohm Loudspeaker

• 500 watts Peak, 250 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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Install kits available for most vehicles

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  • Rear Deck Corner
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$45.95

In stock

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DS18 DXQ6.5CX

600W Peak (300W RMS) 6.5" DXQ Series 2-Way Coaxial 4-ohm Car Speakers

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600W Peak (300W RMS) 6.5" DXQ Series 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome Tweeters
• Yellow Straw Composite Foam cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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  • Rear Deck Corner
$299.95 /pair

In stock

DS18 PRO-X6BM (Sold Individually)

500W Peak (250W RMS) 6.5” PRO-X Series Pro Audio Mid-range 8-ohm Loudspeaker

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500W Peak (250W RMS) 6.5” PRO-X Series Pro Audio Mid-range 8-ohm Loudspeaker

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

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  • Rear Deck Corner
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$52.95

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Rockford Fosgate Power T2652-S - Open Box, Great

6.5" Power Series Aluminum Component Car Audio Speaker System

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6.5" Power Series Aluminum Component Car Audio Speaker System

• Peak Power: 200W
• RMS Power: 100W
• Aluminum Dome Neo-Tweeter
• Mounting Depth: 2-5/8"
• Polypropylene-Carbon Fiber Hybrid
• 4 Ohm Impedance
• Sensitivity: 89dB

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Install kits available for most vehicles

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  • Rear Deck Corner
42
List price $449.99
-15% $382.49 /set

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MB Quart QSE-216

720W Peak (340W RMS) 6.5" Q Series 2 Way Component 4-ohm Speaker System

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720W Peak (340W RMS) 6.5" Q Series 2 Way Component 4-ohm Speaker System

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

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Install kits available for most vehicles

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Fits the following location in your M6
  • Rear Deck Corner
List price $1199.99
-17% $999.99 /set

In stock.

DS18 6PRO600SE-8 (Sold Individually)

600W Peak (300W RMS) 6.5" Pro Audio Midrange 4-ohm Loudspeaker

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600W Peak (300W RMS) 6.5" Pro Audio Midrange 4-ohm Loudspeaker

• 600 watts Peak, 300 watts RMS
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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  • Rear Deck Corner
$99.95

In stock

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Alpine HDZ-65CS

600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Component 4-ohm Shallow Speaker System

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600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Component 4-ohm Shallow Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• Hi-Res Audio Certified
• 1" Carbon Composite Cone Tweeters
• Slim-fit shallow tweeter construction
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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  • Rear Deck Corner
List price $1080.00
Save $360.05
-33% $719.95 /set

Available

Ships in 10-14 days

Diamond Audio MS65NEO

1200W Peak (600W RMS) 6.5" MS Series Midrange 4-ohm Car Speakers

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1200W Peak (600W RMS) 6.5" MS Series Midrange 4-ohm Car Speakers

• 600 watts Peak Each, 300 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

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Fits the following location in your M6
  • Rear Deck Corner
1
$769.99 /pair

In stock.

• 600 watts Peak Each, 300 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

Hertz MLK 1650.3 Legend

600W Peak (300W RMS) 6.5" Mille Legend Series 2-way 4-ohm Component Speaker System

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600W Peak (300W RMS) 6.5" Mille Legend Series 2-way 4-ohm Component Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 1" Tetolon Dome tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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  • Rear Deck Corner
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List price $2115.00
-10% $1,899.99 /set

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List price $2115.00
-10% $1,899.99
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    FAQ for Speakers in 1988 M6

    Q: Can I upgrade or change the Speakers in 1988 BMW M6?

    A: Yes this page includes all the best Speakers that work in your M6.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.